[Retracted] Numerical Investigation on the Dynamic Characteristics of an Adjustable Power Turbine Used in Environmental Control System

Table 4

The adiabatic efficiency of the turbine in different states.

Inlet static pressure (kPa)	Inlet static temperature (K)	Expansion ratio	Adiabatic efficiency		Error (％)
			Experimental value	Simulation value
300	357	4.69	0.72	0.75	4.2
300	312	5.52	0.75	0.79	5.3
410	315	5.27	0.73	0.75	2.7
520	315	6.36	0.81	0.84	3.7